@font-face {
  font-family: "Bounded";
  src: url("assets/fonts/Bounded-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Cera Pro";
  src: url("assets/fonts/CeraPro-Light.ttf") format("truetype");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Cera Pro";
  src: url("assets/fonts/CeraPro-Regular.ttf") format("truetype");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Cera Pro";
  src: url("assets/fonts/CeraPro-Bold.ttf") format("truetype");
  font-weight: 700;
  font-display: swap;
}

:root {
  --teal: #1a5f5a;
  --teal-deep: #124642;
  --teal-soft: #e8f2f0;
  --ink: #1c2428;
  --muted: #5a666c;
  --line: #d2dad8;
  --paper: #f6f8f7;
  --accent: #b47846;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(28, 36, 40, 0.08);
  --radius: 18px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Cera Pro", Georgia, serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  background: var(--white);
  padding: 0.5rem 1rem;
}

/* —— Nav —— */
.nav {
  position: fixed;
  inset: 0 0 auto;
  height: var(--nav-h);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  transition: background 0.45s var(--ease), backdrop-filter 0.45s var(--ease),
    box-shadow 0.45s var(--ease);
}
.nav.is-solid {
  background: rgba(246, 248, 247, 0.88);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(28, 36, 40, 0.06);
}
.nav-brand {
  font-family: "Bounded", serif;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--white);
  text-decoration: none;
  transition: color 0.35s var(--ease);
}
.nav.is-solid .nav-brand {
  color: var(--teal-deep);
}
.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.3s;
}
.nav.is-solid .nav-links a {
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--white);
  color: var(--teal-deep) !important;
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none !important;
  transition: transform 0.35s var(--ease), background 0.35s;
}
.nav.is-solid .nav-cta {
  background: var(--teal);
  color: var(--white) !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
}
@media (max-width: 760px) {
  .nav-links .hide-sm {
    display: none;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--teal-deep) center / cover no-repeat;
  transform: scale(1.06);
  animation: heroDrift 28s var(--ease) infinite alternate;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(18, 70, 66, 0.35) 0%,
    rgba(18, 70, 66, 0.55) 45%,
    rgba(18, 70, 66, 0.88) 100%
  );
}
@keyframes heroDrift {
  from {
    transform: scale(1.06) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(0, -1.5%, 0);
  }
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: calc(var(--nav-h) + 2rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vh, 5rem);
  max-width: 920px;
}
.hero-brand {
  font-family: "Bounded", serif;
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.15s forwards;
}
.hero-lead {
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 300;
  max-width: 34ch;
  margin: 0 0 0.75rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.35s forwards;
}
.hero-sub {
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 42ch;
  font-size: 1.02rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.5s forwards;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  opacity: 0;
  animation: rise 1s var(--ease) 0.65s forwards;
}
@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.9rem 1.45rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.35s var(--ease), background 0.35s, color 0.35s, border-color 0.35s;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--white);
  color: var(--teal-deep);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-teal {
  background: var(--teal);
  color: var(--white);
}
.btn-outline {
  background: transparent;
  color: var(--teal-deep);
  border-color: var(--line);
}

/* —— Sections —— */
.section {
  padding: clamp(3.5rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 3rem);
}
.section-inner {
  max-width: 1120px;
  margin: 0 auto;
}
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.65rem;
  font-weight: 700;
}
.h2 {
  font-family: "Bounded", serif;
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  line-height: 1.15;
  color: var(--teal-deep);
  margin: 0 0 1rem;
  font-weight: 400;
}
.lede {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 54ch;
  margin: 0 0 2rem;
  font-weight: 300;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* —— Split —— */
.split {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
@media (min-width: 900px) {
  .split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }
  .split.reverse {
    grid-template-columns: 0.95fr 1.05fr;
  }
  .split.reverse .split-copy {
    order: 2;
  }
}
.split-media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  background: var(--teal-soft) center / cover no-repeat;
  box-shadow: var(--shadow);
}
.split-copy p {
  color: var(--muted);
  margin: 0 0 1rem;
}
.split-copy ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.split-copy li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.65rem;
  color: var(--ink);
}
.split-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--teal);
}

/* —— Journey —— */
.journey {
  background: linear-gradient(180deg, var(--paper) 0%, var(--teal-soft) 100%);
}
.steps {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 800px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}
.step {
  padding: 1.35rem 1.25rem 1.5rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(26, 95, 90, 0.12);
  border-radius: var(--radius);
  transition: transform 0.45s var(--ease), background 0.45s;
}
.step:hover {
  transform: translateY(-4px);
  background: var(--white);
}
.step-num {
  font-family: "Bounded", serif;
  color: var(--teal);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.step h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  color: var(--ink);
}
.step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 300;
}

/* —— Programs (interactive choice) —— */
.programs-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}
@media (min-width: 900px) {
  .programs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.program {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: left;
  padding: 1.6rem 1.45rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
  font: inherit;
  color: inherit;
  box-shadow: none;
  transition: border-color 0.35s var(--ease), transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease);
}
.program:hover {
  transform: translateY(-3px);
}
.program.is-selected,
.program:focus-visible {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26, 95, 90, 0.15);
  outline: none;
}
.program.featured {
  border-color: rgba(26, 95, 90, 0.35);
  background: linear-gradient(165deg, #ffffff 0%, var(--teal-soft) 140%);
}
.program-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}
.program h3 {
  font-family: "Bounded", serif;
  font-size: 1.45rem;
  margin: 0 0 0.35rem;
  color: var(--teal-deep);
  font-weight: 400;
}
.program-price {
  font-size: 1.55rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}
.program-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 1rem;
}
.program ul {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  flex: 1;
}
.program li {
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(210, 218, 216, 0.7);
  font-size: 0.92rem;
  color: var(--ink);
}
.program li:last-child {
  border-bottom: none;
}
.program-note {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}

.price-note {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--muted);
}

/* —— Science —— */
.refs {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.refs li {
  padding: 0.85rem 0;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--muted);
}
.refs a {
  font-weight: 700;
  color: var(--teal-deep);
  text-decoration: none;
}
.refs a:hover {
  color: var(--accent);
}

/* —— Contact —— */
.contact {
  background: var(--teal-deep);
  color: var(--white);
}
.contact .h2 {
  color: var(--white);
}
.contact .lede {
  color: rgba(255, 255, 255, 0.78);
}
.form {
  display: grid;
  gap: 0.9rem;
  max-width: 520px;
}
.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.85);
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font: inherit;
}
.form input::placeholder,
.form textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}
.form select option {
  color: var(--ink);
}
.consent {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
}
.consent input {
  margin-top: 0.25rem;
  width: auto;
}
.form-status {
  min-height: 1.4em;
  font-size: 0.9rem;
}
.form-status.ok {
  color: #b8e0d8;
}
.form-status.err {
  color: #f0c4b0;
}

/* —— Footer —— */
.footer {
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 2.5rem;
  background: #0e2e2b;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.88rem;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}
.footer strong {
  color: var(--white);
  font-family: "Bounded", serif;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.footer a {
  color: rgba(255, 255, 255, 0.8);
}

.disclaimer {
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 70ch;
  margin-top: 1.5rem;
}